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Cisco Bug: CSCuq39071 - Mcast packet loss when other receiver leaves group in IGMPv3

Last Modified

Nov 27, 2020

Products (1)

  • Cisco Catalyst 4500 Series Switches

Known Affected Releases


Description (partial)

Multicast packet loss when other receiver leaves group using v3 block source

This happens under the following conditions:

1. IGMPv3 should be used and the receivers must use SSM.
2. We need to shut the interface or unplug it.
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  • Status
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